/*
 * Copyright (c) 2011, Marc-Andre Ferland - madrang@gmail.com
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the The Warrent Team nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *     * This software is free for non-commercial use. You may not use this
 *       software, in whole or in part, in support of any commercial product
 *       without the express consent of the author.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE WARRENT TEAM BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
using System;
namespace OsHelper
{
	public static class Executable
	{
		static Executable ()
		{
		}
		
		public static bool Execute (string Executable)
		{
			int Position = 0;
			string Arguments = string.Empty;
			Executable = Executable.Trim ();
			while(!IsValidExecutable(Executable) && (Position = Executable.LastIndexOf(' ')) >= 0) {
				Arguments = string.Format("{0} {1}", Executable.Substring (Position + 1), Arguments);
				Executable = Executable.Substring (0, Position);
			}
			
			return Execute(Executable, Arguments);
		}
		
		public static bool Execute (string Executable, string Arguments)
		{
			bool Result = false;
			try {
				System.Diagnostics.Process Process = System.Diagnostics.Process.Start(Executable, Arguments);
								
				if(Arguments != string.Empty)
					DebugTools.Logger.Default.Debug ("Calling: '{0} {1}'", Executable, Arguments);
				else DebugTools.Logger.Default.Debug ("Calling: '{0}'", Executable);
				
				Result = true;
				Process.Dispose ();
			} catch (Exception ex) {
				throw new InvalidOperationException(string.Format("Error executing '{0}'", Executable), ex);
			}
			return Result;
		}
		
		
		/// <summary>
		/// Check if the given name is a valid console executable.
		/// </summary>
		/// <param name="Executable">
		/// A <see cref="System.String"/>
		/// </param>
		/// <returns>
		/// A <see cref="System.Boolean"/>
		/// </returns>
		public static bool IsValidExecutable (string Executable)
		{
			if (System.IO.File.Exists (Executable)) return true;
			
			foreach (string path in Environment.GetEnvironmentVariable ("PATH").Split (':'))
				if (System.IO.File.Exists (path + "/" + Executable)) return true;
			
			return false;
		}
	}
}

